Free Download: The Sham of the High Rated Current

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July 17, 2017

Coils are used in switching controllers as power coils. Parameters such as inductance, rated, saturated current and RDC, are determined and declared by the coil manufacturers in the datasheet specifications. In practice, coils of identical construction are compared in order to make a selection for a switching controller. But then the question arises for the developer, why the rated current can differ between coils of the same construction from different manufacturers.